PS-Aux (A represents the foreground process X represents the background process U represents the user who started the process)
[[Email protected] ~] # Ps Au
User PID % CPU % mem vsz RSS tty stat Start Time Command
Root 3532 0.0 0.0 1764 444 tty2 SS +/sbin/mingetty tty2
Root 3533 0.0 0.0 1764 448 tty3 SS +/sbin/mingetty tty3
Root 3534 0.0 0.0 1764 444 tty4 SS +/sbin/mingetty tty4
Root 3535 0.0 0.0 1764 440 tty5 SS +/sbin/mingetty tty5
Root 3536 0.0 0.0 1764 448 tty6 SS +/sbin/mingetty tty6
Root 3567 0.0 0.1 4784 1556 pts/0 SS +-Bash
Root 7239 0.0 0.1 4780 1484 tty1 SS +-Bash
Root 7414 0.0 0.1 4784 1488 pts/1 ss-Bash
Root 7445 0.0 0.0 4368 956 pts/1 R + PS Au
User process number CPU usage memory usage virtual memory size occupation time physical memory size is allowed on which terminal
TOP command to view System Health Status
Pstree view process tree-Pu process ID Display User
System Management System View